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- PDB-1a1g: DSNR (ZIF268 VARIANT) ZINC FINGER-DNA COMPLEX (GCGT SITE) -

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Basic information

Entry
Database: PDB / ID: 1a1g
TitleDSNR (ZIF268 VARIANT) ZINC FINGER-DNA COMPLEX (GCGT SITE)
Components
  • DNA (5'-D(*AP*GP*CP*GP*TP*GP*GP*GP*CP*GP*T)-3')
  • DNA (5'-D(*TP*AP*CP*GP*CP*CP*CP*AP*CP*GP*C)-3')
  • DSNR ZINC FINGER PEPTIDE
KeywordsTRANSCRIPTION/DNA / COMPLEX (ZINC FINGER-DNA) / ZINC FINGER / DNA-BINDING PROTEIN / TRANSCRIPTION-DNA COMPLEX
Function / homology
Function and homology information


regulation of protein sumoylation / glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / cellular response to heparin / cellular response to mycophenolic acid / circadian temperature homeostasis / positive regulation of post-translational protein modification / positive regulation of hormone biosynthetic process ...regulation of protein sumoylation / glomerular mesangial cell proliferation / positive regulation of glomerular metanephric mesangial cell proliferation / cellular response to interleukin-8 / regulation of progesterone biosynthetic process / cellular response to heparin / cellular response to mycophenolic acid / circadian temperature homeostasis / positive regulation of post-translational protein modification / positive regulation of hormone biosynthetic process / double-stranded methylated DNA binding / hemi-methylated DNA-binding / positive regulation of gene expression via chromosomal CpG island demethylation / interleukin-1-mediated signaling pathway / histone acetyltransferase binding / locomotor rhythm / skeletal muscle cell differentiation / T cell differentiation / response to glucose / BMP signaling pathway / estrous cycle / positive regulation of chemokine production / regulation of neuron apoptotic process / response to ischemia / positive regulation of interleukin-1 beta production / RNA polymerase II transcription regulatory region sequence-specific DNA binding / promoter-specific chromatin binding / circadian regulation of gene expression / cellular response to gamma radiation / negative regulation of canonical Wnt signaling pathway / response to insulin / positive regulation of miRNA transcription / DNA-binding transcription activator activity, RNA polymerase II-specific / regulation of apoptotic process / sequence-specific DNA binding / response to hypoxia / transcription cis-regulatory region binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / DNA-binding transcription factor activity / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / chromatin / positive regulation of DNA-templated transcription / enzyme binding / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / nucleus / cytoplasm
Similarity search - Function
Early growth response protein 1, C-terminal / Early growth response, N-terminal / Domain of unknown function (DUF3432) / Early growth response N-terminal domain / Classic Zinc Finger / Zinc finger, C2H2 type / Double Stranded RNA Binding Domain / zinc finger / Zinc finger C2H2 type domain profile. / Zinc finger C2H2 superfamily ...Early growth response protein 1, C-terminal / Early growth response, N-terminal / Domain of unknown function (DUF3432) / Early growth response N-terminal domain / Classic Zinc Finger / Zinc finger, C2H2 type / Double Stranded RNA Binding Domain / zinc finger / Zinc finger C2H2 type domain profile. / Zinc finger C2H2 superfamily / Zinc finger C2H2 type domain signature. / Zinc finger C2H2-type / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
DNA / DNA (> 10) / Early growth response protein 1
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / ISOMORPHOUS MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsElrod-Erickson, M. / Benson, T.E. / Pabo, C.O.
Citation
Journal: Structure / Year: 1998
Title: High-resolution structures of variant Zif268-DNA complexes: implications for understanding zinc finger-DNA recognition.
Authors: Elrod-Erickson, M. / Benson, T.E. / Pabo, C.O.
#1: Journal: Structure / Year: 1996
Title: Zif268 Protein-DNA Complex Refined at 1.6 A: A Model System for Understanding Zinc Finger-DNA Interactions
Authors: Elrod-Erickson, M. / Rould, M.A. / Nekludova, L. / Pabo, C.O.
#2: Journal: Science / Year: 1994
Title: Zinc Finger Phage: Affinity Selection of Fingers with New DNA-Binding Specificities
Authors: Rebar, E.J. / Pabo, C.O.
#3: Journal: Science / Year: 1991
Title: Zinc Finger-DNA Recognition: Crystal Structure of a Zif268-DNA Complex at 2.1 A
Authors: Pavletich, N.P. / Pabo, C.O.
History
DepositionDec 10, 1997Deposition site: BNL / Processing site: NDB
Revision 1.0Jun 10, 1998Provider: repository / Type: Initial release
Revision 1.1May 22, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 2, 2023Group: Database references / Derived calculations / Refinement description
Category: database_2 / pdbx_initial_refinement_model ...database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: DNA (5'-D(*AP*GP*CP*GP*TP*GP*GP*GP*CP*GP*T)-3')
C: DNA (5'-D(*TP*AP*CP*GP*CP*CP*CP*AP*CP*GP*C)-3')
A: DSNR ZINC FINGER PEPTIDE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)17,6746
Polymers17,4783
Non-polymers1963
Water2,792155
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)43.300, 55.800, 129.900
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

#1: DNA chain DNA (5'-D(*AP*GP*CP*GP*TP*GP*GP*GP*CP*GP*T)-3')


Mass: 3430.233 Da / Num. of mol.: 1 / Source method: obtained synthetically
#2: DNA chain DNA (5'-D(*TP*AP*CP*GP*CP*CP*CP*AP*CP*GP*C)-3')


Mass: 3279.151 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Protein DSNR ZINC FINGER PEPTIDE / THREE FINGER ZIF268 PEPTIDE


Mass: 10768.371 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Plasmid: PDSNR / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P08046
#4: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 155 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.24 Å3/Da / Density % sol: 45.2 %
Crystal growMethod: vapor diffusion, hanging drop / pH: 8
Details: 25% PEG 1450, 200 MM NACL, 25 MM BIS-TRIS PROPANE PH 8.0, VAPOR DIFFUSION, HANGING DROP
Components of the solutions
IDNameCrystal-IDSol-ID
1WATER11
2NACL11
3BIS-TRIS PROPANE11
4PRECIPITATING SOLUTION11
5WATER12
6NACL12
7BIS-TRIS PROPANE12
8PEG 145012
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
10.5 mMzinc-finger-DNA complex1drop
2200 mM1dropNaCl
350 mMBis-Tris propane1drop
412.5 %PEG14501drop
512.5 mMBTP1drop
625 %PEG14501reservoir
7200 mM1reservoirNaCl
825 mMBTP1reservoir

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Data collection

DiffractionMean temperature: 130 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Jan 1, 1996 / Details: YALE MIRRORS
RadiationMonochromator: YALE MIRRORS / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionResolution: 1.9→20 Å / Num. obs: 11768 / % possible obs: 91.8 % / Observed criterion σ(I): -2 / Redundancy: 3.1 % / Rsym value: 0.034 / Net I/σ(I): 33.6
Reflection shellResolution: 1.9→1.97 Å / Redundancy: 1.3 % / Mean I/σ(I) obs: 3.7 / Rsym value: 0.17 / % possible all: 53.5
Reflection
*PLUS
Highest resolution: 1.9 Å / Lowest resolution: 20 Å / % possible obs: 91.8 % / Redundancy: 3.1 % / Num. measured all: 36356 / Rmerge(I) obs: 0.034
Reflection shell
*PLUS
Highest resolution: 1.9 Å / Lowest resolution: 1.97 Å / % possible obs: 53.5 % / Redundancy: 1.3 % / Rmerge(I) obs: 0.17 / Mean I/σ(I) obs: 3.7

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Processing

Software
NameVersionClassification
X-PLORmodel building
X-PLOR3.8refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing
RefinementMethod to determine structure: ISOMORPHOUS MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1AAY, WITHOUT WATERS AND WITHOUT SIDE CHAINS FOR RESIDUES 18 - 24

1aay


Resolution: 1.9→20 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 100000 / Data cutoff low absF: 0.01 / Isotropic thermal model: RESTRAINED INDIVIDUAL / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.275 1284 10.9 %BASED
Rwork0.215 ---
obs0.215 11737 91.8 %-
Displacement parametersBiso mean: 34.5 Å2
Baniso -1Baniso -2Baniso -3
1-2.89 Å20 Å20 Å2
2--8.487 Å20 Å2
3----4.71 Å2
Refinement stepCycle: LAST / Resolution: 1.9→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms695 445 3 155 1298
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.004
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg0.08
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d18.2
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.18
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it0.8461.5
X-RAY DIFFRACTIONx_mcangle_it1.4952
X-RAY DIFFRACTIONx_scbond_it1.4132
X-RAY DIFFRACTIONx_scangle_it2.442.5
LS refinement shellResolution: 1.9→1.99 Å / Rfactor Rfree error: 0.03 / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rfree0.335 120 13.7 %
Rwork0.338 759 -
obs--53.5 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PARNDBX.DNATOPNDBX.DNA
Software
*PLUS
Name: X-PLOR / Version: 3.8 / Classification: refinement
Refinement
*PLUS
Highest resolution: 1.9 Å / Lowest resolution: 20 Å / σ(F): 0 / % reflection Rfree: 10.9 % / Rfactor obs: 0.222
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.01
X-RAY DIFFRACTIONx_angle_deg1.5
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg23.9
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.53
LS refinement shell
*PLUS
Rfactor obs: 0.338

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